2175915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 4478976

約数和(自身を除く): 2303061

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 53, 69, 85, 105, 115, 119, 159, 161, 255, 265, 345, 357, 371, 391, 483, 595, 795, 805, 901, 1113, 1173, 1219, 1785, 1855, 1955, 2415, 2703, 2737, 3657, 4505, 5565, 5865, 6095, 6307, 8211, 8533, 13515, 13685, 18285, 18921, 20723, 25599, 31535, 41055, 42665, 62169, 94605, 103615, 127995, 145061, 310845, 435183, 725305, 2175915]

約数ペア:

[(1, 2175915), (3, 725305), (5, 435183), (7, 310845), (15, 145061), (17, 127995), (21, 103615), (23, 94605), (35, 62169), (51, 42665), (53, 41055), (69, 31535), (85, 25599), (105, 20723), (115, 18921), (119, 18285), (159, 13685), (161, 13515), (255, 8533), (265, 8211), (345, 6307), (357, 6095), (371, 5865), (391, 5565), (483, 4505), (595, 3657), (795, 2737), (805, 2703), (901, 2415), (1113, 1955), (1173, 1855), (1219, 1785)]